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Adsorption bed

A technology of adsorption bed and adsorption layer, which is applied in the field of adsorption bed, can solve the problems of low adsorption rate and high toxicity, and achieve the effects of reducing adsorption stability, simple production and low price

Inactive Publication Date: 2018-01-19
NANJING LVZHICHENG PATENT TECH DEV CO LTD
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Problems solved by technology

[0002] Chromium (Ⅵ) is widely used in leather processing, electrolytic plating, dye manufacturing and other industries. It has high economic value, but its toxicity is high, and it is one of the main heavy metals causing environmental pollution.
Adsorption method has a long history of material separation, and is often used to remove / recover trace pollutants in water. It has the advantages of high efficiency, simplicity, and good selectivity. At present, activated carbon is commonly used, but because the adsorption rate is not high, how to choose It is the main research problem at present to find an adsorbent with high adsorption efficiency for chromium and realize its effective regeneration.

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Embodiment Construction

[0011] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the embodiments and accompanying drawings. The embodiments are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

[0012] see figure 1 with figure 2 , an adsorption bed, including a shell, the left end of the shell is provided with a liquid inlet 1, the right end of the shell is provided with a liquid outlet 2, and at least two layers of adsorption layers 3 are vertically arranged in the shell, and the The adsorption layer comprises an adsorption frame and a loofah board arranged in the adsorption frame, and the loofah board is a loofah with a length of 5-10mm and attapulgite and adhesive in a weight ratio of 1: 10-20: 0.05-0.1 mixed, pressed into a sheet with a thickness of 10-20cm by a tablet press, and solidified in an oven at a temperature of 80-100°C f...

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Abstract

The invention discloses an adsorption bed. The adsorption bed comprises a casing, wherein a liquid inlet is formed in the left end of the casing, a liquid outlet is formed in the right end of the casing, at least two adsorption layers are vertically arranged in the casing, each adsorption layer comprises an adsorption frame and a loofah sponge plate arranged in the adsorption frame, and the loofahsponge plates are formed through steps as follows: loofah sponge with length of 5-10 mm, attapulgite and an adhesive are mixed in a weight ratio of 1: 10-20: 0.05-0.1 and pressed by a sheeter into sheets of 10-20 cm thick, the sheets are cured in an oven at 80-100 DEG C for 1-5 h, and the loofah sponge plates are formed; ultrasonic vibrators are arranged on the front side wall and the rear side wall of the casing and connected with an ultrasonic generator. The adsorption bed has high chromium (VI) adsorption rate, and regeneration and recycling can be realized rapidly.

Description

technical field [0001] The present invention relates to an adsorption bed. Background technique [0002] Chromium (Ⅵ) is widely used in leather processing, electrolytic plating, dye manufacturing and other industries. It has high economic value, but its toxicity is high, and it is one of the main heavy metals causing environmental pollution. Adsorption method has a long history of material separation, and is often used to remove / recover trace pollutants in water. It has the advantages of high efficiency, simplicity, and good selectivity. At present, activated carbon is commonly used, but because the adsorption rate is not high, how to choose It is the main research problem at present to find the adsorbent with high adsorption efficiency of chromium and realize its effective regeneration. Contents of the invention [0003] The invention provides an adsorption bed, which has a high adsorption rate for chromium (VI), and can quickly realize regeneration and recycling. [00...

Claims

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Application Information

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IPC IPC(8): C02F1/28C02F101/22
Inventor 刘凤英
Owner NANJING LVZHICHENG PATENT TECH DEV CO LTD
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